Why Maxillary Sinusitis Is Common?

Maxillary sinusitis is common due to the close anatomic relation of the frontal sinus, anterior ethmoidal sinus and the maxillary teeth, allowing for easy spread of infection.

Why sinusitis is common in maxillary sinus?

The maxillary sinus drains into the nose through a hole called the ostia. When the ostia becomes clogged, sinusitis can occur. The ostia of the maxillary sinus often clog because the ostia are located near the top of the maxillary sinus, thus making proper drainage difficult.

Which sinus is most commonly infected?

The biggest sinus cavity is the maxillary cavity, and it is one of the cavities that most often becomes infected.